With the end of the Sengoku period, there were many skilled warriors who were trying to make their names in a newly peaceful era... which made them perfect cannon fodder for the cat who would become unrivalled under the sun, Miyamoto Musashi!
If you want to be the greatest in 
Japan, instead of being a brute,
Para ser el mejor de Japón,
 en vez de ser un bruto,
Se quer ser o melhor do Japão,
ao invés de ser só um bruto,